Introducing the ACL Race Series Main Bearing Set in performance STD size, product code 5M1219HX-STDBrand. This crankshaft component is a vital part of any high-performance engine build, providing durability, reliability, and precision for your racing or street machine.

Constructed from ACL's Race Series Tri-Metal material, these bearings are designed to withstand the rigors of high-performance applications. The set includes separate thrust washers with an extra 0.001" of oil clearance, ensuring optimal lubrication and protection for your engine components.

The bearings are designed for positions 1 through 5 in your engine, with a standard shaft diameter of 2.2435"/2.2441" (56.985mm/57.000mm). The oil clearance is to be determined, providing flexibility for different engine setups. The maximum wall thickness is 0.0778" (1.977mm), while the housing bore measures 2.4016"/2.4024" (61.000mm/61.021mm). The maximum length of the bearings is 0.8120" (20.630mm), ensuring a secure fit in your engine block.

Included in the set are thrust washers (1T1219-STD) to complete the package and provide comprehensive protection for your engine components.

ACL Race Series has over 70 years of experience in manufacturing precision engine bearings, with a reputation for quality, innovation, and performance. Their bearings have been utilized as OEM components in the automotive industry and are trusted by engine builders worldwide.

With a strong pedigree in motorsport, ACL Race Series bearings have been used in Formula 1, Australian Supercars, drag racing, speedway, drifting, and rally applications. The extensive range of engine bearings covers over 200 applications for various vehicle makes and models, ensuring that ACL has the right bearing for your build.

ACL's commitment to quality is evident in their vertically integrated manufacturing process, which includes tooling and product design, bearing strip manufacture, and machine manufacturing. Their Business Management Systems hold ISO certifications for Quality Management, Environmental Management, and Occupational Health and Safety Management, ensuring that you are receiving a top-quality product.

Choose ACL Race Series Main Bearing Set for your next engine build and experience the difference that quality components can make in your performance. Trust ACL for reliability, durability, and precision in every race.